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  <div class="headertitle"><div class="title">check_python.sas</div></div>
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<a href="../../d9/d00/check__python_8sas.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/**</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">  @file check_python.sas</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">  @brief Checks that your SAS environment is able to run Python objects.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">  @details</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment">  This macro checks that your SAS environment is able to run Python objects.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">  Check the programs/config.sas file for the Python configuration.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">  It will check that the following environment variables have been defined</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">  and reference existing files:</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment">      @li MAS_PYPATH</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">      @li MAS_M2PATH</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"></span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">  Python objects require environment variables to be set before you can use Python objects in your SAS environment.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">  If the environment variables have not been set, or if they have been set incorrectly,</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment">  SAS returns an error when you publish your Python code. Environment variable related errors can look like these examples:</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">      ERROR: MAS_PYPATH environment variable is undefined.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">      ERROR: The executable /file-path/python.exe cannot be located or is not a valid executable.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"></span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">  Python code may require specific Python packages to be in your Python environment.</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">  For example, the validate_datasetjson.sas macro assumes that your Python environment has the following packages:</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">    - json</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">    - jsonschema</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"></span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">  More information:</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">    Using PROC FCMP Python Objects:</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">    https://documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/lecompobjref/p18qp136f91aaqn1h54v3b6pkant.htm</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"></span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">    Configuring SAS to Run the Python Language:</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">    https://go.documentation.sas.com/doc/en/bicdc/9.4/biasag/n1mquxnfmfu83en1if8icqmx8cdf.htm</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"></span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">  @author Lex Jansen</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"></span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">**/</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>%macro check_python() / des = <span class="stringliteral">&#39;Checks that your SAS environment is able to run Python objects&#39;</span>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>  %local</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>    _MAS_PYPATH</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    _MAS_M2PATH</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>    ;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>  %<span class="keywordflow">if</span> %symexist(python_installed) %then %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>  %end;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>  %<span class="keywordflow">else</span> %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    %global python_installed;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>  %end;   </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>  %let python_installed = 0;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>  %let _MAS_PYPATH = %sysget(MAS_PYPATH);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>  %let _MAS_M2PATH = %sysget(MAS_M2PATH);</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>  %<span class="keywordflow">if</span> %sysevalf(%superq(_MAS_PYPATH)=, <span class="keywordtype">boolean</span>) %then %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    %put ERR%str(OR): [&amp;sysmacroname] Environment variable MAS_PYPATH has not been defined. %str</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>      ()As a result, Python scripts cannot be executed.;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>    %<span class="keywordflow">goto</span> exit_macro;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>  %end;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>  %<span class="keywordflow">if</span> %sysevalf(%superq(_MAS_M2PATH)=, <span class="keywordtype">boolean</span>) %then %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>    %put ERR%str(OR): [&amp;sysmacroname] Environment variable MAS_M2PATH has not been defined. %str</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>      ()As a result, Python scripts cannot be executed.;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    %<span class="keywordflow">goto</span> exit_macro;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>  %end;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>  %<span class="keywordflow">if</span> %sysfunc(fileexist(&amp;_MAS_PYPATH)) = 0 %then %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    %put ERR%str(OR): [&amp;sysmacroname] File &amp;_MAS_PYPATH does not exist. %str</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>      ()As a result, Python scripts cannot be executed.;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    %<span class="keywordflow">goto</span> exit_macro;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>  %end;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>  %<span class="keywordflow">if</span> %sysfunc(fileexist(&amp;_MAS_M2PATH)) = 0 %then %<span class="keywordflow">do</span>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>    %put ERR%str(OR): [&amp;sysmacroname] File &amp;_MAS_M2PATH does not exist. %str</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>      ()As a result, Python scripts cannot be executed.;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    %<span class="keywordflow">goto</span> exit_macro;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>  %end;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>  %put MAS_PYPATH = &amp;_MAS_PYPATH;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  %put MAS_M2PATH = &amp;_MAS_M2PATH;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  %let python_installed = 1;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>  %exit_macro:</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>  </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>  %put &amp;=python_installed;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>%mend check_python;</div>
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